VC获得window操作系统版本号, 获取操作系统位数

原文链接: http://www.greensoftcode.net/techntxt/2014315195331643021849

#include <Windows.h>
include <stdio.h>
#include <tchar.h>
#include <conio.h>

#include "stdafx.h"
#include "osVersion.h"
#include "osVersionDlg.h"

void getOsVersion(char* szOSName)
{
 DWORD  dwMajorVersion;
 DWORD   dwMinorVersion;
 DWORD  dwBuildNumber;
    DWORD  dwPlatformId;
 OSVERSIONINFO osvi;//定义OSVERSIONINFO数据结构对象
 memset(&osvi, 0, sizeof(OSVERSIONINFO));//开空间 
 osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);//定义大小 
 GetVersionEx (&osvi);//获得版本信息 
 dwMajorVersion=osvi.dwMajorVersion;//主版本号
 dwMinorVersion=osvi.dwMinorVersion;//副版本
 dwBuildNumber=osvi.dwBuildNumber;//创建号
 dwPlatformId=osvi.dwPlatformId;//ID号
 char swVersion[10]={0};    
 sprintf(swVersion,"%d.%d",dwMajorVersion,dwMinorVersion);
   // dwVesion=atoi(swVersion);  
 
     if (!strcmp(swVersion,"4.0"))   strcpy( szOSName,"win95");    //win95    
     if (!strcmp(swVersion,"4.1")) strcpy( szOSName,"win98");     //win98 
     if (!strcmp(swVersion,"4.9")) strcpy( szOSName,"win_me");     // win_me 
     if (!strcmp(swVersion,"3.51")) strcpy( szOSName,"win_Nt_3_5");  //win_Nt_3_5    
     if (!strcmp(swVersion,"5.0"))  strcpy( szOSName,"win2000");    //win2000   
  if (!strcmp(swVersion,"5.1"))   strcpy( szOSName,"win_xp");    //win_xp 
   if (!strcmp(swVersion,"5.2"))  strcpy( szOSName,"win2003");    // win2003 
     if (!strcmp(swVersion,"6.6"))   strcpy(szOSName,"vista");    //vista
  if (!strcmp(swVersion,"6.1"))   strcpy( szOSName,"win7");     // win7 
  if (!strcmp(swVersion,"6.1"))   strcpy( szOSName,"win8");      // win8

}

#define __in  
#define __out
 
#define MS_PROCESSOR_ARCHITECTURE_IA64             6
#define MS_PROCESSOR_ARCHITECTURE_AMD64          9
 
// 安全的取得真实系统信息
VOID SafeGetNativeSystemInfo(__out LPSYSTEM_INFO lpSystemInfo)
{
 if (NULL==lpSystemInfo) return;
 typedef VOID (WINAPI *LPFN_GetNativeSystemInfo)(LPSYSTEM_INFO lpSystemInfo);
 LPFN_GetNativeSystemInfo fnGetNativeSystemInfo = (LPFN_GetNativeSystemInfo)GetProcAddress( GetModuleHandle(_T("kernel32")), "GetNativeSystemInfo");;
 if (NULL != fnGetNativeSystemInfo)
 {
  fnGetNativeSystemInfo(lpSystemInfo);
 }
 else
 {
  GetSystemInfo(lpSystemInfo);
 }
}

// 获取操作系统位数
int GetSystemBits()
{
 SYSTEM_INFO si;
 SafeGetNativeSystemInfo(&si);
  if (si.wProcessorArchitecture == MS_PROCESSOR_ARCHITECTURE_AMD64 ||
    si.wProcessorArchitecture == MS_PROCESSOR_ARCHITECTURE_IA64 )
 
 {
  return 64;
 }
 return 32;
}

void COsVersionDlg::OnButton1() 
{
 // TODO: Add your control notification handler code here
 char szOSVersion[40]={0};
    getOsVersion(szOSVersion);  //获得操作系统名称
 
 int lzBit=GetSystemBits(); // 获取操作系统位数

}